3700/1 Nautilus Jumbo (two-tone / sigma dial / extract and service papers)

Jumbo vintage 3700 / 11 with extract - top quality

3700/1 Steel & Gold 18kt Retailed by Gubelin Like New - with Extract

Date 3700/11 3700 Gold Stahl Kork 81

3700/11

Vintage Nautilus 3700 c. 1977

3700/11

Jumbo Ref.3700/1 Original Paper

Jumbo Steel and Gold Tropical Dial - from 1979

Jumbo Ref.3700/1 Original Dial with diamonds index